The American monthly microscopical journal . es advertised by A J. Doherty in the Journals from January to April, 1887, may be sentthrough the Business Manager, P O. Box 630, Washington, D. C, A few copies of Leidys Fresh-Water Rhizopods, of North America, can still be had at $5 00 per copy.— 630, Washington, D. C. Remittances should be made by postal notes, money orders, or by money sent in registered letters. Draftsshould be made payable in Washington, New York, Boston, or Philadelphia, to the order of the Manager. The first volume, 1880, is entirely out of print. The succeeding vol
The American monthly microscopical journal . es advertised by A J. Doherty in the Journals from January to April, 1887, may be sentthrough the Business Manager, P O. Box 630, Washington, D. C, A few copies of Leidys Fresh-Water Rhizopods, of North America, can still be had at $5 00 per copy.— 630, Washington, D. C. Remittances should be made by postal notes, money orders, or by money sent in registered letters. Draftsshould be made payable in Washington, New York, Boston, or Philadelphia, to the order of the Manager. The first volume, 1880, is entirely out of print. The succeeding volumes will be sent by the publisher forthe following prices which are net:—Vol. II (1881) complete, %i 50; Vol. Ill (18S2), out of print; Vol. IV(1883) complete, ; Vol. V (1884) complete, $ ; Vol. V (1884), Nos. 2-12, ; Vol. VI (1885), $;Vol. VII (1886), $; Vol. VIII (1887), As calls for Volume I sometimes occur, those persons havingcopies to dispose of would do well to inform us, and to state their SEDENTARY FRESH-WATER PERITRIOHA THE AMERICAN MONTHLY V MICROSCOPICAL JOURNAL. Vol. IX. APRIL, 1888. No. 4. A generic synopsis of the sedentary fresh-water Peritricha. AN ELEMENTARY CHAPTER FOR BEGINNERS. By Dr. ALFRED C. STOKES, TRENTON, N J. Stein, the eminent German investigator of the infusoria, has classified theciliated animalcules into four orders, thereby making an arrangement of theselittle creatures which is so natural and so satisfactory that it will probablyalways remain the accepted method of grouping them. This system, whichdepends upon the character and the mode of distribution of the cilia thatmore or less completely clothe the infusorians body, may be concisely pre-sented in tabulated form as follows :—I. Cilia clothing the entire surface, and differing but slightly or not at all in size Holotricha. II. Cilia clothing the entire surface, but those about the oral aperture(mouth) noticeably larger Heterotricha. III. Cilia l
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectmicroscopy, bookyear1
